#show-handytab-button {
  list-style-image: url(chrome://handytab/skin/handytab-default-64.png);
  -moz-image-region: rect(0px 64px 64px 0px);
}
#show-handytab-button:hover:active {
  list-style-image: url(chrome://handytab/skin/handytab-active-64.png);
  -moz-image-region: rect(0px 64px 64px 0px);
}

#markpage-handytab-button {
  list-style-image: url(chrome://handytab/skin/handytab-default-64.png);
  -moz-image-region: rect(0px 128px 64px 64px);
}
#markpage-handytab-button:hover:active {
  list-style-image: url(chrome://handytab/skin/handytab-active-64.png);
  -moz-image-region: rect(0px 128px 64px 64px);
}
